Create better lessons quicker
11 - 6 + 5, 12 - 3 + 9, 13 - 8 + 5, 14 - 7 + 7, 15 - 7 + 8, 11 - 7 + 4, 12 - 6 + 6, 13 - 7 + 6, 14 - 8 + 6, 15 - 9 + 6, 11 - 8 + 3, 12 - 9 + 3, 13 - 9 + 4, 14 - 5 + 9, 15 - 6 + 9, 16 - 8 + 8, 17 - 8 + 9, 18 - 9 + 9, 16 - 9 + 7, 17 - 9 + 8,

Adunarea cu trecere peste ordin (U+U)

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